--Do you think Tim did well in the English speech contest? ----. He won the first place

问题补充：

----Do you think Tim did well in the English speech contest?

----. He won the first place.

A. He couldn’t have done better.

B. He played naturally

C. He was not nervous at all

D. I couldn’t agree more

答案：

(答案→)A. He couldn’t have done better.

B. He played naturally

C. He was not nervous at all

D. I couldn’t agree more

解析：考察情态动词。且否定词和比较级连用表示最高级。结合句意可知A正确。句意：-他做的不可能再好了，他赢得了第一名。